Formby Bay Weather Forecast

    • 12
    • 22

    Partly cloudy

    • 9
    • 24

    Sunny

    • 11
    • 28

    Mostly sunny

    • 15
    • 26

    Shower or two

    • 12
    • 21

    Shower or two

    • 9
    • 19

    Showers

    • 9
    • 18

    Shower or two

Today 20 Oct Yorke Peninsula

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Winds southwesterly 15 to 25 km/h turning south to southeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.

Central Coastal Waters

Wind
South to southwesterly 10 to 15 knots, reaching up to 20 knots inshore early in the morning. Winds turning southeasterly in the late evening.
Seas
Around 1 metre, decreasing below 0.5 metres during the morning, then increasing to below 1 metre around midday.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm inshore late this afternoon and evening.
Weather Situation
A trough of low pressure over southeastern South Australia lingers in the east, before weakening from Thursday. A slow moving high pressure system in the Tasman Sea re-establishes a ridge across southern parts from Wednesday. Another series of troughs move into western parts on Thursday and broadly across SA on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Formby Bay Temperature Statistics View More

October Temperature

Stenhouse Bay (24 km)

  • Lowest 11 October, 2026

    10.6 °C

  • Average October

    16.5 °C

  • Highest 18 October, 2026

    31.7 °C

Climate (2021–2026)

Stenhouse Bay (24 km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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